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Chevrolet G Series Van (G10) Problems

Highter Than Nornal Idle Due to Vacuum Leak on Chevrolet G Series Van (G10)

Problem Description and Possible Solution

An engine vacuum leak may develop from the throttle body gasket causing a higher than normal idle speed. Failed gaskets should be replaced.

(2 people reported this problem)

Chevrolet G Series Van (G10) Vehicles With This Problem

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Average mileage: (–)
2 model years affected: 1994, 1995
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Brake problem? Or maybe a faulty head gasket cylinder?
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